Add a little extra to your main dish with these healthy side dishes, including roasted veggies, low-calorie side salads, and healthier takes on biscuits and baked potatoes. Pages 11 of 26 See All Mashed Potato Gratin Cost per serving: $.69Two comfort foods in one dish. Does it get any better?See recipe: Mashed Potato Gratin Pages 11 of 26 See All